Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k
A. ? = sinh2 t
B. ? = cosh2 t
C. ? = 
D. ? = 
Answer: D
Mathematics
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Factor the special products, which are the sum or difference of two perfect cubes.y3 - 64
A. (y - 4)(y2 - 16) B. (y - 4)(y2 + 4y + 16) C. (y - 4)(y2 + 4y - 16) D. (y + 4)(y2 - 4y - 16)
Mathematics
Write the expression as one fraction with positive exponents.3y5/3 - 5y-2/3
A. 
B. 
C. 
D. 
Mathematics
Add.(11x - 4) + (8x - 3)
A. 19x + 7 B. 19x2 - 7 C. 19x - 7 D. 88x2 + 12
Mathematics
Write a numerical expression for the phrase and simplify it.The sum of 44 and -8, divided by the product of 3 and -6
A. 44 + 
; -2
B. 
; -2
C. 
; - 
D. 
; - 12
Mathematics